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vuln-cve/data/2026/46xxx/CVE-2026-46049.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-46049",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-13T15:03:33.094Z",
"datePublished": "2026-05-27T12:57:05.761Z",
"dateUpdated": "2026-11-06T16:13:34.308Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-06-14T17:50:38.717Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ctxfi: Add fallback to default RSR for S/PDIF\n\nspdif_passthru_playback_get_resources() uses atc->pll_rate as the RSR\nfor the MSR calculation loop. However, pll_rate is only updated in\natc_pll_init() and not in hw_pll_init(), so it remains 0 after the\ncard init.\n\nWhen spdif_passthru_playback_setup() skips atc_pll_init() for\n32000 Hz, (rsr * desc.msr) always becomes 0, causing the loop to spin\nindefinitely.\n\nAdd fallback to use atc->rsr when atc->pll_rate is 0. This reflects\nthe hardware state, since hw_card_init() already configures the PLL\nto the default RSR."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"sound/pci/ctxfi/ctatc.c"
],
"versions": [
{
"version": "8cc72361481f00253f1e468ade5795427386d593",
"lessThan": "d0b53842211f73a10ea174100a213f7fa14b9f33",
"status": "affected",
"versionType": "git"
},
{
"version": "8cc72361481f00253f1e468ade5795427386d593",
"lessThan": "615b7a5e5d8be68d52f262579906f7e015ba4606",
"status": "affected",
"versionType": "git"
},
{
"version": "8cc72361481f00253f1e468ade5795427386d593",
"lessThan": "dfc00979ff00d9dfdfa1df32144a272ee2728102",
"status": "affected",
"versionType": "git"
},
{
"version": "8cc72361481f00253f1e468ade5795427386d593",
"lessThan": "25ded535ee261161bcf19dafd525c542e606559d",
"status": "affected",
"versionType": "git"
},
{
"version": "8cc72361481f00253f1e468ade5795427386d593",
"lessThan": "30f9494c6f2b53a78822cfb653ffbb1d092d44c8",
"status": "affected",
"versionType": "git"
},
{
"version": "8cc72361481f00253f1e468ade5795427386d593",
"lessThan": "09496158f6ebba8830593f8972035c02f97124c1",
"status": "affected",
"versionType": "git"
},
{
"version": "8cc72361481f00253f1e468ade5795427386d593",
"lessThan": "95b1ee8442cabbde83b2848e7c6100df90f3a00d",
"status": "affected",
"versionType": "git"
},
{
"version": "8cc72361481f00253f1e468ade5795427386d593",
"lessThan": "7d61662197ecdc458e33e475b6ada7f6da61d364",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"sound/pci/ctxfi/ctatc.c"
],
"versions": [
{
"version": "2.6.31",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.31",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.258",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.209",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.175",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.140",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.86",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.27",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0.4",
"lessThanOrEqual": "7.0.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.1",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "5.10.258"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "5.15.209"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "6.1.175"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "6.6.140"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "6.12.86"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "6.18.27"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "7.0.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "7.1"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/d0b53842211f73a10ea174100a213f7fa14b9f33"
},
{
"url": "https://git.kernel.org/stable/c/615b7a5e5d8be68d52f262579906f7e015ba4606"
},
{
"url": "https://git.kernel.org/stable/c/dfc00979ff00d9dfdfa1df32144a272ee2728102"
},
{
"url": "https://git.kernel.org/stable/c/25ded535ee261161bcf19dafd525c542e606559d"
},
{
"url": "https://git.kernel.org/stable/c/30f9494c6f2b53a78822cfb653ffbb1d092d44c8"
},
{
"url": "https://git.kernel.org/stable/c/09496158f6ebba8830593f8972035c02f97124c1"
},
{
"url": "https://git.kernel.org/stable/c/95b1ee8442cabbde83b2848e7c6100df90f3a00d"
},
{
"url": "https://git.kernel.org/stable/c/7d61662197ecdc458e33e475b6ada7f6da61d364"
}
],
"title": "ALSA: ctxfi: Add fallback to default RSR for S/PDIF",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-46049",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-06T16:06:26.866490Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-06T16:13:34.308Z"
}
}
]
}
}